2139102602 has 16 divisors (see below), whose sum is σ = 3949112832. Its totient is φ = 846238320.

The previous prime is 2139102601. The next prime is 2139102607. The reversal of 2139102602 is 2062019312.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (2139102601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5876474 + ... + 5876837.

It is an arithmetic number, because the mean of its divisors is an integer number (246819552).

Almost surely, 2^2139102602 is an apocalyptic number.

2139102602 is a deficient number, since it is larger than the sum of its proper divisors (1810010230).

2139102602 is a wasteful number, since it uses less digits than its factorization.

2139102602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11753333.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2139102602 is about 46250.4335331032. The cubic root of 2139102602 is about 1288.4785865507.

The spelling of 2139102602 in words is "two billion, one hundred thirty-nine million, one hundred two thousand, six hundred two".